Portafilter Dosing Funnel

This fits on a 2-ear, portafilter with OD 62 mm and basket ID 51mm.  The coffee can be tamped with the funnel in place.  The funnel locks onto the ears of the portafilter.

Print with PETG to be food safe.

Print the funnel upside down, with support under the ears and 100% infill modifier blocks at the ear radii.